Hpvsim

--------------------------
- Separates out the ``Calibration`` class into a separate file and to no longer inherit from ``Analyzer``. Functionality is unchanged.
- *GitHub info*: PR `255 <https://github.com/amath-idm/hpvsim/pull/255>`__

--------------------------
- Improves calibration to enable support for MySQL.
- Fixes plotting bug.
- *GitHub info*: PR `253 <https://github.com/amath-idm/hpvsim/pull/253>`__

--------------------------
- Fixed tests and data loading logic.
- *GitHub info*: PR `251 <https://github.com/amath-idm/hpvsim/pull/251>`__

--------------------------
- Updated calibration.
- *GitHub info*: PR `215 <https://github.com/amath-idm/hpvsim/pull/215>`__

--------------------------
- Updated data loading scripts.
- *GitHub info*: PR `156 <https://github.com/amath-idm/hpvsim/pull/156>`__

--------------------------
- Made into a Python module.
- *GitHub info*: PR `64 <https://github.com/amath-idm/hpvsim/pull/64>`__